Scientists have found surprising video evidence of what they call monkey kidnappings – and they’re trying to figure out why.

In January 2022, Zoë Goldsborough, a doctoral researcher at the Max Planck Institute of Animal Behavior in Germany and study lead author, saw footage of a young male capuchin monkey carrying a baby ...

Researchers have discovered a weird, new behavior among capuchin monkeys, and it involves kidnapping howler monkey infants.

This photo provided by researchers shows a baby howler monkey, right, clinging onto a young adult male capuchin monkey on ...

Plus, researchers could hear adult howler monkeys calling back and forth with the infants, who would sometimes try to crawl ...

In bewildering new footage a capuchin monkey, the size of a house-cat, is videoed with a baby howler monkey clinging to its ...

Observations of Coiba's tool-using immature capuchin monkeys show them carrying abducted infant howler monkeys. What is the reason for this behavior?